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win 10 dpi 缩放
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win 10 dpi dwm 效果，影响最大的函数有
参考资料：https://blog.csdn.net/chenlycly/article/details/53142098
GetSystemMetrics(SM_CXSCREEN)：786
GetSystemMetrics(SM_CYSCREEN)：461
经过 win 10 dpi: 130% DWM缩放后的屏幕分辨率: 1024 x 600
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适用于：1024 x 600
MOUSEHOOKSTRUCT *mhookstruct; //鼠标HOOK结构体
mhookstruct = (MOUSEHOOKSTRUCT*)lParam;
POINT pt = mhookstruct->pt;
HDC dc_screen = GetDC(0); //获取 屏幕 dc
COLORREF color = GetPixel(dc_screen, dcX, dcY);
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适用于 786 x 461
//先记录一下当前的鼠标位置
POINT point;
GetCursorPos(&point);
mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, x2, y2, 0, 0)
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